Data is defined as any collection of facts. Thus, sales reports, inventory figures, test scores, customers, names and address, and weather reports are all examples of data. Data processing is the manipulation of data into more useful form. It is the modern name for paperwork and involves the collecting processing, an distributing of facts and figures to achieve a desired reports.
Data Processing includes not only numerical calculations but also operations such as the classification of data and the transmission of data from one place to another.
Data processing system refers to the equipment or devices and procedures by which the result is achieved.
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